Stethoscope drum



FIG. 1 is a side perspective view of the stethoscope drum design, additional elements of a stethoscope being shown in shadow line for illustrative purposes only and forms no part of the claimed design;

FIG. 2 is a side elevational view thereof, the opposite side being a mirror image thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a side perspective view of an alternate embodiment thereof, the opposite side, the bottom, the front, and the rear are substantially similar to those views of the claimed design illustrated in FIGS. 2 through 5. 

The ornamental design for a stethoscope drum, as shown and described. 